Euphemism is the method of describing in a polite and agreeable manner something that is harsh, rude or offensive. There are positive and negative euphemism. One negative consequence of using euphemism is that it reduces the level of transparency.
I think you're talking about a participal phrase.
Ex:Awakened by the blaring horns,Aaron looked out the window.
Simile, because its comparing with "as"
Cut unnecessary things
e.g 1.quick unnecessary conversations.
Do only what really matters in time and try to be fast as you can to save your time for other important things